public class DynamicLoader
extends java.lang.Object
Modifier and Type | Field | Description |
---|---|---|
protected java.util.HashMap<java.lang.String,java.lang.Class> |
knownClasses |
Constructor | Description |
---|---|
DynamicLoader() |
Modifier and Type | Method | Description |
---|---|---|
java.lang.Class |
getClass(java.lang.String className,
java.io.PrintStream traceOut,
java.lang.ClassLoader classLoader) |
Load a class using the class name provided.
|
java.lang.ClassLoader |
getClassLoader() |
Get the ClassLoader supplied using the method
setClassLoader(java.lang.ClassLoader) . |
java.lang.Object |
getInstance(java.lang.String className,
java.io.PrintStream traceOut,
java.lang.ClassLoader classLoader) |
Instantiate a class using the class name provided, with the option of tracing
Note that the method does not check that the object is of the right class.
|
java.lang.Object |
getInstance(java.lang.String className,
java.lang.ClassLoader classLoader) |
Instantiate a class using the class name provided.
|
protected void |
registerKnownClasses() |
Register classes that might be dynamically loaded even though they are contained
within Saxon itself.
|
void |
setClassLoader(java.lang.ClassLoader loader) |
Set a ClassLoader to be used when loading external classes.
|
protected java.util.HashMap<java.lang.String,java.lang.Class> knownClasses
protected void registerKnownClasses()
public void setClassLoader(java.lang.ClassLoader loader)
loader
- the ClassLoader to be used in this configurationpublic java.lang.ClassLoader getClassLoader()
setClassLoader(java.lang.ClassLoader)
.
If none has been supplied, return null.
public java.lang.Class getClass(java.lang.String className, java.io.PrintStream traceOut, java.lang.ClassLoader classLoader) throws XPathException
This method is intended for internal use only.
className
- A string containing the name of the
class, for example "com.microstar.sax.LarkDriver"traceOut
- if diagnostic tracing is required, the destination for the output; otherwise nullclassLoader
- The ClassLoader to be used to load the class. If this is null, then
the classLoader used will be the first one available of: the classLoader registered
with the Configuration using setClassLoader(java.lang.ClassLoader)
; the context class loader for
the current thread; or failing that, the class loader invoked implicitly by a call
of Class.forName() (which is the ClassLoader that was used to load the Configuration
object itself).XPathException
- if the class cannot be loaded.public java.lang.Object getInstance(java.lang.String className, java.lang.ClassLoader classLoader) throws XPathException
This method is intended for internal use only.
className
- A string containing the name of the
class, for example "com.microstar.sax.LarkDriver"classLoader
- The ClassLoader to be used to load the class. If this is null, then
the classLoader used will be the first one available of: the classLoader registered
with the Configuration using setClassLoader(java.lang.ClassLoader)
; the context class loader for
the current thread; or failing that, the class loader invoked implicitly by a call
of Class.forName() (which is the ClassLoader that was used to load the Configuration
object itself).XPathException
- if the class cannot be loaded.public java.lang.Object getInstance(java.lang.String className, java.io.PrintStream traceOut, java.lang.ClassLoader classLoader) throws XPathException
This method is intended for internal use only.
className
- A string containing the name of the
class, for example "com.microstar.sax.LarkDriver"traceOut
- if attempts to load classes are to be traced, then the destination
for the trace output; otherwise nullclassLoader
- The ClassLoader to be used to load the class. If this is null, then
the classLoader used will be the first one available of: the classLoader registered
with the Configuration using setClassLoader(java.lang.ClassLoader)
; the context class loader for
the current thread; or failing that, the class loader invoked implicitly by a call
of Class.forName() (which is the ClassLoader that was used to load the Configuration
object itself).XPathException
- if the class cannot be loaded.